spandsp  0.0.6
sig_tone_flat_coeffs_t Struct Reference

The coefficient set for a bi-quad that makes a signalling flat filter. Some signalling tone schemes require such a filter, and some don't. It is termed a flat filter, to distinguish it from the sharp filter, but obviously it is not actually flat. It is a broad band weighting filter. More...

#include <sig_tone.h>

Public Attributes

float a [3]
 Flat mode bandpass bi-quad parameters.
 
float b [3]
 Flat mode bandpass bi-quad parameters.
 

Detailed Description

The coefficient set for a bi-quad that makes a signalling flat filter. Some signalling tone schemes require such a filter, and some don't. It is termed a flat filter, to distinguish it from the sharp filter, but obviously it is not actually flat. It is a broad band weighting filter.


The documentation for this struct was generated from the following file: